Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

Brown University - Algae
Catalog #: ABRU00003376
F. S. Collins s.n. 16 July 1899
Cladophora arcta var. centralis (Lyngbye) J.D.Hooker & Harvey
United States, Maine, Hancock, Mount Desert; Seal Harbor, Mount Desert Island, ME

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00212066
c71e8e3f-c13e-4d32-8481-60291b1a7334
F. S. Collins s.n. 16 July 1899
Spongomorpha arcta (Dillwyn) K
United States, Maine, Hancock, Seal Harbor, Mount Desert Island, ME

Field Museum of Natural History
Catalog #: C0528929F
F.S. Collins #s.n. 16 July 1899
Cladophora arcta var. centralis (Lyngbye) J.D.Hooker & Harvey
United States, Maine, Hancock, Seal Harbor, Mount Desert Island

University of Michigan
Catalog #: 677979
F.S. Collins #s.n. 16 July 1899
Acrosiphonia arcta (Dillwyn) Gain
United States, Maine, Hancock, Seal Harbor, Mount Desert Island

University of Michigan
Catalog #: 678075
F.S. Collins #s.n. 16 July 1899
Acrosiphonia spinescens (Kützing) Kjellman
United States, Maine, Hancock, Seal Harbor, Mount Desert Island

Michigan State University Algae
Catalog #: MSC0181048
F.S. Collins #s.n. 16 July 1899
Acrosiphonia arcta (Dillwyn) Gain
United States, Maine, Hancock, Seal Harbor, Mount Desert Island

Miami University - Algae
Catalog #: 000187324
F.S. Collins #s.n. 16 July 1899
Cladophora arcta var. centralis (Lyngbye) J.D.Hooker & Harvey
United States, Maine, Hancock, Seal Harbor, Mount Desert Island

Yale University Herbarium
Catalog #: YU.091804
Frank Shipley Collins s.n. 16 July 1899
Cladophora arcta var. centralis (Lyngbye) J.D.Hooker & Harvey
United States, Maine, Hancock, Mount Desert; Seal Harbor, Mount Desert Island, ME